Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Administrative data

Description of key information

Key value for chemical safety assessment

Skin sensitisation

Endpoint conclusion
Additional information:

No testing is required in accordance with Column 2 adaptations: if:the available information indicates that the substance should be classified for skin sensitisation or corrosivity.


Trichlorosilane has harmonised at the EU level classification and it is classified as C (corrosive); R35 (Causes severe burns) (in accordance with Directive 67/548/EEC) and as Skin Corrosive Category 1A substance (in accordance with the GHS criteria of Regulation (EC) No 1272/2008).

Justification for classification or non-classification